diff --git a/modules/zfs.nix b/modules/zfs.nix
index 0a16ebc..58e9099 100644
--- a/modules/zfs.nix
+++ b/modules/zfs.nix
@@ -21,20 +21,11 @@
       arc_min_mb = arc_min_gb * 1000;
       arc_min_kb = arc_min_mb * 1000;
       arc_min_b = arc_min_kb * 1000;
-
-      dirty_gb = 8; # Default value is 4GB, helps smooth writes
-      dirty_mb = dirty_gb * 1000;
-      dirty_kb = dirty_mb * 1000;
-      dirty_b = dirty_kb * 1000;
     in
     [
       "zfs.zfs_arc_max=${builtins.toString arc_max_b}"
       "zfs.zfs_arc_min=${builtins.toString arc_min_b}"
       "zfs.zfs_txg_timeout=120" # longer TXG open time = larger sequential writes
-      "zfs.zfs_dirty_data_max=${builtins.toString dirty_b}"
-      "zfs.zfs_delay_min_dirty_percent=80" # delay write throttling until 80% dirty (default 60%)
-      "zfs.zfs_vdev_async_write_max_active=30" # more concurrent async writes to vdevs (default 10)
-      "zfs.zfs_vdev_async_read_max_active=10" # more concurrent async reads for random I/O (default 3)
     ];
 
   boot.supportedFilesystems = [ "zfs" ];